Home / 72,869.46-100,567.02-42,652.95

Finding the Fourth Proportional to 72,869.46, 100,567.02 and 42,652.95

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Solution

The fourth proportional to 72,869.46, 100,567.02 and 42,652.95 is: 58,865.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,869.46 : 100,567.02 = 42,652.95 : x
  2. Step 2: Convert to fraction form
    72,869.46/100,567.02 = 42,652.95/x
  3. Step 3: Cross multiply
    72,869.46x = 100,567.02 × 42,652.95
  4. Step 4: Simplify right side
    72,869.46x = 4,289,480,075.71
  5. Step 5: Solve for x
    x = 4,289,480,075.71/72,869.46
  6. Step 6: Final answer
    x = 58,865.27

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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.