Home / 93,261.66-128,617.11-59,721.18

Finding the Fourth Proportional to 93,261.66, 128,617.11 and 59,721.18

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Solution

The fourth proportional to 93,261.66, 128,617.11 and 59,721.18 is: 82,361.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,261.66 : 128,617.11 = 59,721.18 : x
  2. Step 2: Convert to fraction form
    93,261.66/128,617.11 = 59,721.18/x
  3. Step 3: Cross multiply
    93,261.66x = 128,617.11 × 59,721.18
  4. Step 4: Simplify right side
    93,261.66x = 7,681,165,577.39
  5. Step 5: Solve for x
    x = 7,681,165,577.39/93,261.66
  6. Step 6: Final answer
    x = 82,361.45

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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.