Home / 70,376.66-97,120.47-42,082.34

Finding the Fourth Proportional to 70,376.66, 97,120.47 and 42,082.34

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Solution

The fourth proportional to 70,376.66, 97,120.47 and 42,082.34 is: 58,074.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,376.66 : 97,120.47 = 42,082.34 : x
  2. Step 2: Convert to fraction form
    70,376.66/97,120.47 = 42,082.34/x
  3. Step 3: Cross multiply
    70,376.66x = 97,120.47 × 42,082.34
  4. Step 4: Simplify right side
    70,376.66x = 4,087,056,639.50
  5. Step 5: Solve for x
    x = 4,087,056,639.50/70,376.66
  6. Step 6: Final answer
    x = 58,074.04

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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.