Home / 75,470.02-113,155.35-42,239.14

Finding the Fourth Proportional to 75,470.02, 113,155.35 and 42,239.14

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Solution

The fourth proportional to 75,470.02, 113,155.35 and 42,239.14 is: 63,330.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,470.02 : 113,155.35 = 42,239.14 : x
  2. Step 2: Convert to fraction form
    75,470.02/113,155.35 = 42,239.14/x
  3. Step 3: Cross multiply
    75,470.02x = 113,155.35 × 42,239.14
  4. Step 4: Simplify right side
    75,470.02x = 4,779,584,670.40
  5. Step 5: Solve for x
    x = 4,779,584,670.40/75,470.02
  6. Step 6: Final answer
    x = 63,330.91

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1.5x scale

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.