Home / 77,039.02-115,479.24-37,547.28

Finding the Fourth Proportional to 77,039.02, 115,479.24 and 37,547.28

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Solution

The fourth proportional to 77,039.02, 115,479.24 and 37,547.28 is: 56,282.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,039.02 : 115,479.24 = 37,547.28 : x
  2. Step 2: Convert to fraction form
    77,039.02/115,479.24 = 37,547.28/x
  3. Step 3: Cross multiply
    77,039.02x = 115,479.24 × 37,547.28
  4. Step 4: Simplify right side
    77,039.02x = 4,335,931,358.47
  5. Step 5: Solve for x
    x = 4,335,931,358.47/77,039.02
  6. Step 6: Final answer
    x = 56,282.28

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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.