Home / 93,079.14-128,441.34-52,780.02

Finding the Fourth Proportional to 93,079.14, 128,441.34 and 52,780.02

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Solution

The fourth proportional to 93,079.14, 128,441.34 and 52,780.02 is: 72,831.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,079.14 : 128,441.34 = 52,780.02 : x
  2. Step 2: Convert to fraction form
    93,079.14/128,441.34 = 52,780.02/x
  3. Step 3: Cross multiply
    93,079.14x = 128,441.34 × 52,780.02
  4. Step 4: Simplify right side
    93,079.14x = 6,779,136,494.03
  5. Step 5: Solve for x
    x = 6,779,136,494.03/93,079.14
  6. Step 6: Final answer
    x = 72,831.96

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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.