Home / 92,824.16-128,066.28-52,533.68

Finding the Fourth Proportional to 92,824.16, 128,066.28 and 52,533.68

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Solution

The fourth proportional to 92,824.16, 128,066.28 and 52,533.68 is: 72,478.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,824.16 : 128,066.28 = 52,533.68 : x
  2. Step 2: Convert to fraction form
    92,824.16/128,066.28 = 52,533.68/x
  3. Step 3: Cross multiply
    92,824.16x = 128,066.28 × 52,533.68
  4. Step 4: Simplify right side
    92,824.16x = 6,727,792,972.31
  5. Step 5: Solve for x
    x = 6,727,792,972.31/92,824.16
  6. Step 6: Final answer
    x = 72,478.90

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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.