Home / 105,055.56-144,988.74-58,493.16

Finding the Fourth Proportional to 105,055.56, 144,988.74 and 58,493.16

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Solution

The fourth proportional to 105,055.56, 144,988.74 and 58,493.16 is: 80,727.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,055.56 : 144,988.74 = 58,493.16 : x
  2. Step 2: Convert to fraction form
    105,055.56/144,988.74 = 58,493.16/x
  3. Step 3: Cross multiply
    105,055.56x = 144,988.74 × 58,493.16
  4. Step 4: Simplify right side
    105,055.56x = 8,480,849,567.02
  5. Step 5: Solve for x
    x = 8,480,849,567.02/105,055.56
  6. Step 6: Final answer
    x = 80,727.28

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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.