Home / 70,318.56-97,038.86-40,103.10

Finding the Fourth Proportional to 70,318.56, 97,038.86 and 40,103.10

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Solution

The fourth proportional to 70,318.56, 97,038.86 and 40,103.10 is: 55,341.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,318.56 : 97,038.86 = 40,103.10 : x
  2. Step 2: Convert to fraction form
    70,318.56/97,038.86 = 40,103.10/x
  3. Step 3: Cross multiply
    70,318.56x = 97,038.86 × 40,103.10
  4. Step 4: Simplify right side
    70,318.56x = 3,891,559,106.47
  5. Step 5: Solve for x
    x = 3,891,559,106.47/70,318.56
  6. Step 6: Final answer
    x = 55,341.85

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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.