Home / 66,688.64-92,063.74-51,547.08

Finding the Fourth Proportional to 66,688.64, 92,063.74 and 51,547.08

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Solution

The fourth proportional to 66,688.64, 92,063.74 and 51,547.08 is: 71,160.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,688.64 : 92,063.74 = 51,547.08 : x
  2. Step 2: Convert to fraction form
    66,688.64/92,063.74 = 51,547.08/x
  3. Step 3: Cross multiply
    66,688.64x = 92,063.74 × 51,547.08
  4. Step 4: Simplify right side
    66,688.64x = 4,745,616,970.88
  5. Step 5: Solve for x
    x = 4,745,616,970.88/66,688.64
  6. Step 6: Final answer
    x = 71,160.80

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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.