Home / 53,869.02-74,334.48-31,200.77

Finding the Fourth Proportional to 53,869.02, 74,334.48 and 31,200.77

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Solution

The fourth proportional to 53,869.02, 74,334.48 and 31,200.77 is: 43,054.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,869.02 : 74,334.48 = 31,200.77 : x
  2. Step 2: Convert to fraction form
    53,869.02/74,334.48 = 31,200.77/x
  3. Step 3: Cross multiply
    53,869.02x = 74,334.48 × 31,200.77
  4. Step 4: Simplify right side
    53,869.02x = 2,319,293,136.57
  5. Step 5: Solve for x
    x = 2,319,293,136.57/53,869.02
  6. Step 6: Final answer
    x = 43,054.30

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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.