Home / 62,154.69-85,746.15-42,004.23

Finding the Fourth Proportional to 62,154.69, 85,746.15 and 42,004.23

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Solution

The fourth proportional to 62,154.69, 85,746.15 and 42,004.23 is: 57,947.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,154.69 : 85,746.15 = 42,004.23 : x
  2. Step 2: Convert to fraction form
    62,154.69/85,746.15 = 42,004.23/x
  3. Step 3: Cross multiply
    62,154.69x = 85,746.15 × 42,004.23
  4. Step 4: Simplify right side
    62,154.69x = 3,601,701,006.21
  5. Step 5: Solve for x
    x = 3,601,701,006.21/62,154.69
  6. Step 6: Final answer
    x = 57,947.37

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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.