Home / 91,888.16-126,810.48-51,599.84

Finding the Fourth Proportional to 91,888.16, 126,810.48 and 51,599.84

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Solution

The fourth proportional to 91,888.16, 126,810.48 and 51,599.84 is: 71,210.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,888.16 : 126,810.48 = 51,599.84 : x
  2. Step 2: Convert to fraction form
    91,888.16/126,810.48 = 51,599.84/x
  3. Step 3: Cross multiply
    91,888.16x = 126,810.48 × 51,599.84
  4. Step 4: Simplify right side
    91,888.16x = 6,543,400,478.32
  5. Step 5: Solve for x
    x = 6,543,400,478.32/91,888.16
  6. Step 6: Final answer
    x = 71,210.49

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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.