Home / 98,688.78-136,158.57-60,408.45

Finding the Fourth Proportional to 98,688.78, 136,158.57 and 60,408.45

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Solution

The fourth proportional to 98,688.78, 136,158.57 and 60,408.45 is: 83,344.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,688.78 : 136,158.57 = 60,408.45 : x
  2. Step 2: Convert to fraction form
    98,688.78/136,158.57 = 60,408.45/x
  3. Step 3: Cross multiply
    98,688.78x = 136,158.57 × 60,408.45
  4. Step 4: Simplify right side
    98,688.78x = 8,225,128,167.92
  5. Step 5: Solve for x
    x = 8,225,128,167.92/98,688.78
  6. Step 6: Final answer
    x = 83,344.11

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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.