Home / 85,565.68-118,099.38-49,776.28

Finding the Fourth Proportional to 85,565.68, 118,099.38 and 49,776.28

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Solution

The fourth proportional to 85,565.68, 118,099.38 and 49,776.28 is: 68,702.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,565.68 : 118,099.38 = 49,776.28 : x
  2. Step 2: Convert to fraction form
    85,565.68/118,099.38 = 49,776.28/x
  3. Step 3: Cross multiply
    85,565.68x = 118,099.38 × 49,776.28
  4. Step 4: Simplify right side
    85,565.68x = 5,878,547,806.71
  5. Step 5: Solve for x
    x = 5,878,547,806.71/85,565.68
  6. Step 6: Final answer
    x = 68,702.17

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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.