Home / 54,316.95-74,817.18-38,373.72

Finding the Fourth Proportional to 54,316.95, 74,817.18 and 38,373.72

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Solution

The fourth proportional to 54,316.95, 74,817.18 and 38,373.72 is: 52,856.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,316.95 : 74,817.18 = 38,373.72 : x
  2. Step 2: Convert to fraction form
    54,316.95/74,817.18 = 38,373.72/x
  3. Step 3: Cross multiply
    54,316.95x = 74,817.18 × 38,373.72
  4. Step 4: Simplify right side
    54,316.95x = 2,871,013,516.51
  5. Step 5: Solve for x
    x = 2,871,013,516.51/54,316.95
  6. Step 6: Final answer
    x = 52,856.68

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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.