Home / 94,047.06-129,775.49-56,320.34

Finding the Fourth Proportional to 94,047.06, 129,775.49 and 56,320.34

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Solution

The fourth proportional to 94,047.06, 129,775.49 and 56,320.34 is: 77,716.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,047.06 : 129,775.49 = 56,320.34 : x
  2. Step 2: Convert to fraction form
    94,047.06/129,775.49 = 56,320.34/x
  3. Step 3: Cross multiply
    94,047.06x = 129,775.49 × 56,320.34
  4. Step 4: Simplify right side
    94,047.06x = 7,308,999,720.47
  5. Step 5: Solve for x
    x = 7,308,999,720.47/94,047.06
  6. Step 6: Final answer
    x = 77,716.41

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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.