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Finding the Fourth Proportional to 88,547.80, 132,821.70 and 46,411.60

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Solution

The fourth proportional to 88,547.80, 132,821.70 and 46,411.60 is: 69,617.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,547.80 : 132,821.70 = 46,411.60 : x
  2. Step 2: Convert to fraction form
    88,547.80/132,821.70 = 46,411.60/x
  3. Step 3: Cross multiply
    88,547.80x = 132,821.70 × 46,411.60
  4. Step 4: Simplify right side
    88,547.80x = 6,164,467,611.72
  5. Step 5: Solve for x
    x = 6,164,467,611.72/88,547.80
  6. Step 6: Final answer
    x = 69,617.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.