Home / 53,270.16-72,980.02-51,276.24

Finding the Fourth Proportional to 53,270.16, 72,980.02 and 51,276.24

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Solution

The fourth proportional to 53,270.16, 72,980.02 and 51,276.24 is: 70,248.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,270.16 : 72,980.02 = 51,276.24 : x
  2. Step 2: Convert to fraction form
    53,270.16/72,980.02 = 51,276.24/x
  3. Step 3: Cross multiply
    53,270.16x = 72,980.02 × 51,276.24
  4. Step 4: Simplify right side
    53,270.16x = 3,742,141,020.72
  5. Step 5: Solve for x
    x = 3,742,141,020.72/53,270.16
  6. Step 6: Final answer
    x = 70,248.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.