Home / 88,287.37-121,839.13-53,834.13

Finding the Fourth Proportional to 88,287.37, 121,839.13 and 53,834.13

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Solution

The fourth proportional to 88,287.37, 121,839.13 and 53,834.13 is: 74,292.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,287.37 : 121,839.13 = 53,834.13 : x
  2. Step 2: Convert to fraction form
    88,287.37/121,839.13 = 53,834.13/x
  3. Step 3: Cross multiply
    88,287.37x = 121,839.13 × 53,834.13
  4. Step 4: Simplify right side
    88,287.37x = 6,559,103,294.34
  5. Step 5: Solve for x
    x = 6,559,103,294.34/88,287.37
  6. Step 6: Final answer
    x = 74,292.66

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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.