Home / 105,341.33-145,335.43-59,987.16

Finding the Fourth Proportional to 105,341.33, 145,335.43 and 59,987.16

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Solution

The fourth proportional to 105,341.33, 145,335.43 and 59,987.16 is: 82,762.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,341.33 : 145,335.43 = 59,987.16 : x
  2. Step 2: Convert to fraction form
    105,341.33/145,335.43 = 59,987.16/x
  3. Step 3: Cross multiply
    105,341.33x = 145,335.43 × 59,987.16
  4. Step 4: Simplify right side
    105,341.33x = 8,718,259,543.11
  5. Step 5: Solve for x
    x = 8,718,259,543.11/105,341.33
  6. Step 6: Final answer
    x = 82,762.00

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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.