Home / 77,547.62-116,322.02-42,468.14

Finding the Fourth Proportional to 77,547.62, 116,322.02 and 42,468.14

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Solution

The fourth proportional to 77,547.62, 116,322.02 and 42,468.14 is: 63,702.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,547.62 : 116,322.02 = 42,468.14 : x
  2. Step 2: Convert to fraction form
    77,547.62/116,322.02 = 42,468.14/x
  3. Step 3: Cross multiply
    77,547.62x = 116,322.02 × 42,468.14
  4. Step 4: Simplify right side
    77,547.62x = 4,939,979,036.49
  5. Step 5: Solve for x
    x = 4,939,979,036.49/77,547.62
  6. Step 6: Final answer
    x = 63,702.53

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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.