Home / 85,920.28-118,499.70-60,510.94

Finding the Fourth Proportional to 85,920.28, 118,499.70 and 60,510.94

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Solution

The fourth proportional to 85,920.28, 118,499.70 and 60,510.94 is: 83,455.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,920.28 : 118,499.70 = 60,510.94 : x
  2. Step 2: Convert to fraction form
    85,920.28/118,499.70 = 60,510.94/x
  3. Step 3: Cross multiply
    85,920.28x = 118,499.70 × 60,510.94
  4. Step 4: Simplify right side
    85,920.28x = 7,170,528,236.72
  5. Step 5: Solve for x
    x = 7,170,528,236.72/85,920.28
  6. Step 6: Final answer
    x = 83,455.60

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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.