Home / 92,970.18-128,288.70-52,683.24

Finding the Fourth Proportional to 92,970.18, 128,288.70 and 52,683.24

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Solution

The fourth proportional to 92,970.18, 128,288.70 and 52,683.24 is: 72,697.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,970.18 : 128,288.70 = 52,683.24 : x
  2. Step 2: Convert to fraction form
    92,970.18/128,288.70 = 52,683.24/x
  3. Step 3: Cross multiply
    92,970.18x = 128,288.70 × 52,683.24
  4. Step 4: Simplify right side
    92,970.18x = 6,758,664,371.39
  5. Step 5: Solve for x
    x = 6,758,664,371.39/92,970.18
  6. Step 6: Final answer
    x = 72,697.12

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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.