Home / 98,043.65-135,300.23-55,602.18

Finding the Fourth Proportional to 98,043.65, 135,300.23 and 55,602.18

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Solution

The fourth proportional to 98,043.65, 135,300.23 and 55,602.18 is: 76,731.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,043.65 : 135,300.23 = 55,602.18 : x
  2. Step 2: Convert to fraction form
    98,043.65/135,300.23 = 55,602.18/x
  3. Step 3: Cross multiply
    98,043.65x = 135,300.23 × 55,602.18
  4. Step 4: Simplify right side
    98,043.65x = 7,522,987,881.51
  5. Step 5: Solve for x
    x = 7,522,987,881.51/98,043.65
  6. Step 6: Final answer
    x = 76,731.01

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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.