Home / 76,117.40-105,026.28-52,235.36

Finding the Fourth Proportional to 76,117.40, 105,026.28 and 52,235.36

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Solution

The fourth proportional to 76,117.40, 105,026.28 and 52,235.36 is: 72,074.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,117.40 : 105,026.28 = 52,235.36 : x
  2. Step 2: Convert to fraction form
    76,117.40/105,026.28 = 52,235.36/x
  3. Step 3: Cross multiply
    76,117.40x = 105,026.28 × 52,235.36
  4. Step 4: Simplify right side
    76,117.40x = 5,486,085,545.26
  5. Step 5: Solve for x
    x = 5,486,085,545.26/76,117.40
  6. Step 6: Final answer
    x = 72,074.00

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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.