Home / 79,549.52-119,186.04-42,547.28

Finding the Fourth Proportional to 79,549.52, 119,186.04 and 42,547.28

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Solution

The fourth proportional to 79,549.52, 119,186.04 and 42,547.28 is: 63,746.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,549.52 : 119,186.04 = 42,547.28 : x
  2. Step 2: Convert to fraction form
    79,549.52/119,186.04 = 42,547.28/x
  3. Step 3: Cross multiply
    79,549.52x = 119,186.04 × 42,547.28
  4. Step 4: Simplify right side
    79,549.52x = 5,071,041,815.97
  5. Step 5: Solve for x
    x = 5,071,041,815.97/79,549.52
  6. Step 6: Final answer
    x = 63,746.98

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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.