Home / 70,312.05-97,025.76-40,098.65

Finding the Fourth Proportional to 70,312.05, 97,025.76 and 40,098.65

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Solution

The fourth proportional to 70,312.05, 97,025.76 and 40,098.65 is: 55,333.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,312.05 : 97,025.76 = 40,098.65 : x
  2. Step 2: Convert to fraction form
    70,312.05/97,025.76 = 40,098.65/x
  3. Step 3: Cross multiply
    70,312.05x = 97,025.76 × 40,098.65
  4. Step 4: Simplify right side
    70,312.05x = 3,890,601,506.10
  5. Step 5: Solve for x
    x = 3,890,601,506.10/70,312.05
  6. Step 6: Final answer
    x = 55,333.35

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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.