Home / 58,280.09-87,088.36-43,759.74

Finding the Fourth Proportional to 58,280.09, 87,088.36 and 43,759.74

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Solution

The fourth proportional to 58,280.09, 87,088.36 and 43,759.74 is: 65,390.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,280.09 : 87,088.36 = 43,759.74 : x
  2. Step 2: Convert to fraction form
    58,280.09/87,088.36 = 43,759.74/x
  3. Step 3: Cross multiply
    58,280.09x = 87,088.36 × 43,759.74
  4. Step 4: Simplify right side
    58,280.09x = 3,810,963,445.79
  5. Step 5: Solve for x
    x = 3,810,963,445.79/58,280.09
  6. Step 6: Final answer
    x = 65,390.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.