Home / 70,516.09-97,314.74-38,685.93

Finding the Fourth Proportional to 70,516.09, 97,314.74 and 38,685.93

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Solution

The fourth proportional to 70,516.09, 97,314.74 and 38,685.93 is: 53,387.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,516.09 : 97,314.74 = 38,685.93 : x
  2. Step 2: Convert to fraction form
    70,516.09/97,314.74 = 38,685.93/x
  3. Step 3: Cross multiply
    70,516.09x = 97,314.74 × 38,685.93
  4. Step 4: Simplify right side
    70,516.09x = 3,764,710,806.32
  5. Step 5: Solve for x
    x = 3,764,710,806.32/70,516.09
  6. Step 6: Final answer
    x = 53,387.97

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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.