Home / 98,754.39-136,280.48-56,312.01

Finding the Fourth Proportional to 98,754.39, 136,280.48 and 56,312.01

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Solution

The fourth proportional to 98,754.39, 136,280.48 and 56,312.01 is: 77,710.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,754.39 : 136,280.48 = 56,312.01 : x
  2. Step 2: Convert to fraction form
    98,754.39/136,280.48 = 56,312.01/x
  3. Step 3: Cross multiply
    98,754.39x = 136,280.48 × 56,312.01
  4. Step 4: Simplify right side
    98,754.39x = 7,674,227,471.00
  5. Step 5: Solve for x
    x = 7,674,227,471.00/98,754.39
  6. Step 6: Final answer
    x = 77,710.24

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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.