Home / 93,071.72-139,688.19-48,729.50

Finding the Fourth Proportional to 93,071.72, 139,688.19 and 48,729.50

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Solution

The fourth proportional to 93,071.72, 139,688.19 and 48,729.50 is: 73,136.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,071.72 : 139,688.19 = 48,729.50 : x
  2. Step 2: Convert to fraction form
    93,071.72/139,688.19 = 48,729.50/x
  3. Step 3: Cross multiply
    93,071.72x = 139,688.19 × 48,729.50
  4. Step 4: Simplify right side
    93,071.72x = 6,806,935,654.61
  5. Step 5: Solve for x
    x = 6,806,935,654.61/93,071.72
  6. Step 6: Final answer
    x = 73,136.45

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.