Home / 88,084.72-121,506.07-56,217.70

Finding the Fourth Proportional to 88,084.72, 121,506.07 and 56,217.70

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Solution

The fourth proportional to 88,084.72, 121,506.07 and 56,217.70 is: 77,547.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,084.72 : 121,506.07 = 56,217.70 : x
  2. Step 2: Convert to fraction form
    88,084.72/121,506.07 = 56,217.70/x
  3. Step 3: Cross multiply
    88,084.72x = 121,506.07 × 56,217.70
  4. Step 4: Simplify right side
    88,084.72x = 6,830,791,347.13
  5. Step 5: Solve for x
    x = 6,830,791,347.13/88,084.72
  6. Step 6: Final answer
    x = 77,547.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.