Home / 70,347.36-97,081.10-38,516.16

Finding the Fourth Proportional to 70,347.36, 97,081.10 and 38,516.16

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Solution

The fourth proportional to 70,347.36, 97,081.10 and 38,516.16 is: 53,153.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,347.36 : 97,081.10 = 38,516.16 : x
  2. Step 2: Convert to fraction form
    70,347.36/97,081.10 = 38,516.16/x
  3. Step 3: Cross multiply
    70,347.36x = 97,081.10 × 38,516.16
  4. Step 4: Simplify right side
    70,347.36x = 3,739,191,180.58
  5. Step 5: Solve for x
    x = 3,739,191,180.58/70,347.36
  6. Step 6: Final answer
    x = 53,153.26

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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.