Home / 76,323.02-105,228.98-54,545.32

Finding the Fourth Proportional to 76,323.02, 105,228.98 and 54,545.32

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Solution

The fourth proportional to 76,323.02, 105,228.98 and 54,545.32 is: 75,203.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,323.02 : 105,228.98 = 54,545.32 : x
  2. Step 2: Convert to fraction form
    76,323.02/105,228.98 = 54,545.32/x
  3. Step 3: Cross multiply
    76,323.02x = 105,228.98 × 54,545.32
  4. Step 4: Simplify right side
    76,323.02x = 5,739,748,387.37
  5. Step 5: Solve for x
    x = 5,739,748,387.37/76,323.02
  6. Step 6: Final answer
    x = 75,203.37

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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.