Home / 91,970.19-126,953.54-53,742.16

Finding the Fourth Proportional to 91,970.19, 126,953.54 and 53,742.16

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Solution

The fourth proportional to 91,970.19, 126,953.54 and 53,742.16 is: 74,184.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,970.19 : 126,953.54 = 53,742.16 : x
  2. Step 2: Convert to fraction form
    91,970.19/126,953.54 = 53,742.16/x
  3. Step 3: Cross multiply
    91,970.19x = 126,953.54 × 53,742.16
  4. Step 4: Simplify right side
    91,970.19x = 6,822,757,276.22
  5. Step 5: Solve for x
    x = 6,822,757,276.22/91,970.19
  6. Step 6: Final answer
    x = 74,184.44

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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.