Home / 98,756.64-136,283.58-56,314.26

Finding the Fourth Proportional to 98,756.64, 136,283.58 and 56,314.26

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Solution

The fourth proportional to 98,756.64, 136,283.58 and 56,314.26 is: 77,713.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,756.64 : 136,283.58 = 56,314.26 : x
  2. Step 2: Convert to fraction form
    98,756.64/136,283.58 = 56,314.26/x
  3. Step 3: Cross multiply
    98,756.64x = 136,283.58 × 56,314.26
  4. Step 4: Simplify right side
    98,756.64x = 7,674,708,957.85
  5. Step 5: Solve for x
    x = 7,674,708,957.85/98,756.64
  6. Step 6: Final answer
    x = 77,713.35

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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.