Home / 99,597.51-137,444.59-54,275.53

Finding the Fourth Proportional to 99,597.51, 137,444.59 and 54,275.53

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Solution

The fourth proportional to 99,597.51, 137,444.59 and 54,275.53 is: 74,900.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,597.51 : 137,444.59 = 54,275.53 : x
  2. Step 2: Convert to fraction form
    99,597.51/137,444.59 = 54,275.53/x
  3. Step 3: Cross multiply
    99,597.51x = 137,444.59 × 54,275.53
  4. Step 4: Simplify right side
    99,597.51x = 7,459,877,696.51
  5. Step 5: Solve for x
    x = 7,459,877,696.51/99,597.51
  6. Step 6: Final answer
    x = 74,900.24

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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.