Home / 85,562.65-128,237.05-59,056.21

Finding the Fourth Proportional to 85,562.65, 128,237.05 and 59,056.21

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Solution

The fourth proportional to 85,562.65, 128,237.05 and 59,056.21 is: 88,510.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,562.65 : 128,237.05 = 59,056.21 : x
  2. Step 2: Convert to fraction form
    85,562.65/128,237.05 = 59,056.21/x
  3. Step 3: Cross multiply
    85,562.65x = 128,237.05 × 59,056.21
  4. Step 4: Simplify right side
    85,562.65x = 7,573,194,154.58
  5. Step 5: Solve for x
    x = 7,573,194,154.58/85,562.65
  6. Step 6: Final answer
    x = 88,510.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.