Home / 92,810.12-127,981.14-55,077.08

Finding the Fourth Proportional to 92,810.12, 127,981.14 and 55,077.08

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Solution

The fourth proportional to 92,810.12, 127,981.14 and 55,077.08 is: 75,948.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,810.12 : 127,981.14 = 55,077.08 : x
  2. Step 2: Convert to fraction form
    92,810.12/127,981.14 = 55,077.08/x
  3. Step 3: Cross multiply
    92,810.12x = 127,981.14 × 55,077.08
  4. Step 4: Simplify right side
    92,810.12x = 7,048,826,846.37
  5. Step 5: Solve for x
    x = 7,048,826,846.37/92,810.12
  6. Step 6: Final answer
    x = 75,948.91

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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.