Home / 91,886.15-126,805.95-51,607.01

Finding the Fourth Proportional to 91,886.15, 126,805.95 and 51,607.01

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Solution

The fourth proportional to 91,886.15, 126,805.95 and 51,607.01 is: 71,219.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,886.15 : 126,805.95 = 51,607.01 : x
  2. Step 2: Convert to fraction form
    91,886.15/126,805.95 = 51,607.01/x
  3. Step 3: Cross multiply
    91,886.15x = 126,805.95 × 51,607.01
  4. Step 4: Simplify right side
    91,886.15x = 6,544,075,295.68
  5. Step 5: Solve for x
    x = 6,544,075,295.68/91,886.15
  6. Step 6: Final answer
    x = 71,219.39

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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.