Home / 77,007.72-106,271.54-45,177.16

Finding the Fourth Proportional to 77,007.72, 106,271.54 and 45,177.16

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Solution

The fourth proportional to 77,007.72, 106,271.54 and 45,177.16 is: 62,345.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,007.72 : 106,271.54 = 45,177.16 : x
  2. Step 2: Convert to fraction form
    77,007.72/106,271.54 = 45,177.16/x
  3. Step 3: Cross multiply
    77,007.72x = 106,271.54 × 45,177.16
  4. Step 4: Simplify right side
    77,007.72x = 4,801,046,366.03
  5. Step 5: Solve for x
    x = 4,801,046,366.03/77,007.72
  6. Step 6: Final answer
    x = 62,345.00

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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.