Home / 70,625.89-97,423.02-42,315.18

Finding the Fourth Proportional to 70,625.89, 97,423.02 and 42,315.18

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Solution

The fourth proportional to 70,625.89, 97,423.02 and 42,315.18 is: 58,370.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,625.89 : 97,423.02 = 42,315.18 : x
  2. Step 2: Convert to fraction form
    70,625.89/97,423.02 = 42,315.18/x
  3. Step 3: Cross multiply
    70,625.89x = 97,423.02 × 42,315.18
  4. Step 4: Simplify right side
    70,625.89x = 4,122,472,627.44
  5. Step 5: Solve for x
    x = 4,122,472,627.44/70,625.89
  6. Step 6: Final answer
    x = 58,370.56

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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.