Home / 113,849.28-157,114.08-63,547.20

Finding the Fourth Proportional to 113,849.28, 157,114.08 and 63,547.20

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Solution

The fourth proportional to 113,849.28, 157,114.08 and 63,547.20 is: 87,696.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,849.28 : 157,114.08 = 63,547.20 : x
  2. Step 2: Convert to fraction form
    113,849.28/157,114.08 = 63,547.20/x
  3. Step 3: Cross multiply
    113,849.28x = 157,114.08 × 63,547.20
  4. Step 4: Simplify right side
    113,849.28x = 9,984,159,864.58
  5. Step 5: Solve for x
    x = 9,984,159,864.58/113,849.28
  6. Step 6: Final answer
    x = 87,696.29

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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.