Home / 89,925.23-134,887.61-84,444.53

Finding the Fourth Proportional to 89,925.23, 134,887.61 and 84,444.53

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Solution

The fourth proportional to 89,925.23, 134,887.61 and 84,444.53 is: 126,666.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,925.23 : 134,887.61 = 84,444.53 : x
  2. Step 2: Convert to fraction form
    89,925.23/134,887.61 = 84,444.53/x
  3. Step 3: Cross multiply
    89,925.23x = 134,887.61 × 84,444.53
  4. Step 4: Simplify right side
    89,925.23x = 11,390,520,365.95
  5. Step 5: Solve for x
    x = 11,390,520,365.95/89,925.23
  6. Step 6: Final answer
    x = 126,666.57

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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.