Home / 66,862.89-92,280.95-42,674.29

Finding the Fourth Proportional to 66,862.89, 92,280.95 and 42,674.29

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Solution

The fourth proportional to 66,862.89, 92,280.95 and 42,674.29 is: 58,897.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,862.89 : 92,280.95 = 42,674.29 : x
  2. Step 2: Convert to fraction form
    66,862.89/92,280.95 = 42,674.29/x
  3. Step 3: Cross multiply
    66,862.89x = 92,280.95 × 42,674.29
  4. Step 4: Simplify right side
    66,862.89x = 3,938,024,021.78
  5. Step 5: Solve for x
    x = 3,938,024,021.78/66,862.89
  6. Step 6: Final answer
    x = 58,897.01

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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.