Home / 111,545.04-153,931.32-60,556.56

Finding the Fourth Proportional to 111,545.04, 153,931.32 and 60,556.56

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Solution

The fourth proportional to 111,545.04, 153,931.32 and 60,556.56 is: 83,567.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,545.04 : 153,931.32 = 60,556.56 : x
  2. Step 2: Convert to fraction form
    111,545.04/153,931.32 = 60,556.56/x
  3. Step 3: Cross multiply
    111,545.04x = 153,931.32 × 60,556.56
  4. Step 4: Simplify right side
    111,545.04x = 9,321,551,215.46
  5. Step 5: Solve for x
    x = 9,321,551,215.46/111,545.04
  6. Step 6: Final answer
    x = 83,567.60

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1.5x scale

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.