Home / 77,817.24-116,762.31-38,352.83

Finding the Fourth Proportional to 77,817.24, 116,762.31 and 38,352.83

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Solution

The fourth proportional to 77,817.24, 116,762.31 and 38,352.83 is: 57,547.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,817.24 : 116,762.31 = 38,352.83 : x
  2. Step 2: Convert to fraction form
    77,817.24/116,762.31 = 38,352.83/x
  3. Step 3: Cross multiply
    77,817.24x = 116,762.31 × 38,352.83
  4. Step 4: Simplify right side
    77,817.24x = 4,478,164,442.03
  5. Step 5: Solve for x
    x = 4,478,164,442.03/77,817.24
  6. Step 6: Final answer
    x = 57,547.20

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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.