Home / 93,009.12-128,349.86-52,726.58

Finding the Fourth Proportional to 93,009.12, 128,349.86 and 52,726.58

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Solution

The fourth proportional to 93,009.12, 128,349.86 and 52,726.58 is: 72,761.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,009.12 : 128,349.86 = 52,726.58 : x
  2. Step 2: Convert to fraction form
    93,009.12/128,349.86 = 52,726.58/x
  3. Step 3: Cross multiply
    93,009.12x = 128,349.86 × 52,726.58
  4. Step 4: Simplify right side
    93,009.12x = 6,767,449,161.28
  5. Step 5: Solve for x
    x = 6,767,449,161.28/93,009.12
  6. Step 6: Final answer
    x = 72,761.14

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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.