Home / 67,155.84-92,642.40-52,148.16

Finding the Fourth Proportional to 67,155.84, 92,642.40 and 52,148.16

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Solution

The fourth proportional to 67,155.84, 92,642.40 and 52,148.16 is: 71,939.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,155.84 : 92,642.40 = 52,148.16 : x
  2. Step 2: Convert to fraction form
    67,155.84/92,642.40 = 52,148.16/x
  3. Step 3: Cross multiply
    67,155.84x = 92,642.40 × 52,148.16
  4. Step 4: Simplify right side
    67,155.84x = 4,831,130,697.98
  5. Step 5: Solve for x
    x = 4,831,130,697.98/67,155.84
  6. Step 6: Final answer
    x = 71,939.10

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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.