Home / 84,911.08-127,465.02-45,545.08

Finding the Fourth Proportional to 84,911.08, 127,465.02 and 45,545.08

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Solution

The fourth proportional to 84,911.08, 127,465.02 and 45,545.08 is: 68,370.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,911.08 : 127,465.02 = 45,545.08 : x
  2. Step 2: Convert to fraction form
    84,911.08/127,465.02 = 45,545.08/x
  3. Step 3: Cross multiply
    84,911.08x = 127,465.02 × 45,545.08
  4. Step 4: Simplify right side
    84,911.08x = 5,805,404,533.10
  5. Step 5: Solve for x
    x = 5,805,404,533.10/84,911.08
  6. Step 6: Final answer
    x = 68,370.40

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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.