Home / 93,783.61-129,421.40-51,342.15

Finding the Fourth Proportional to 93,783.61, 129,421.40 and 51,342.15

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Solution

The fourth proportional to 93,783.61, 129,421.40 and 51,342.15 is: 70,852.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,783.61 : 129,421.40 = 51,342.15 : x
  2. Step 2: Convert to fraction form
    93,783.61/129,421.40 = 51,342.15/x
  3. Step 3: Cross multiply
    93,783.61x = 129,421.40 × 51,342.15
  4. Step 4: Simplify right side
    93,783.61x = 6,644,772,932.01
  5. Step 5: Solve for x
    x = 6,644,772,932.01/93,783.61
  6. Step 6: Final answer
    x = 70,852.18

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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.