Home / 70,348.16-97,079.60-38,516.37

Finding the Fourth Proportional to 70,348.16, 97,079.60 and 38,516.37

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Solution

The fourth proportional to 70,348.16, 97,079.60 and 38,516.37 is: 53,152.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,348.16 : 97,079.60 = 38,516.37 : x
  2. Step 2: Convert to fraction form
    70,348.16/97,079.60 = 38,516.37/x
  3. Step 3: Cross multiply
    70,348.16x = 97,079.60 × 38,516.37
  4. Step 4: Simplify right side
    70,348.16x = 3,739,153,600.47
  5. Step 5: Solve for x
    x = 3,739,153,600.47/70,348.16
  6. Step 6: Final answer
    x = 53,152.12

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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.