Home / 77,746.47-107,304.81-48,688.34

Finding the Fourth Proportional to 77,746.47, 107,304.81 and 48,688.34

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Solution

The fourth proportional to 77,746.47, 107,304.81 and 48,688.34 is: 67,199.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,746.47 : 107,304.81 = 48,688.34 : x
  2. Step 2: Convert to fraction form
    77,746.47/107,304.81 = 48,688.34/x
  3. Step 3: Cross multiply
    77,746.47x = 107,304.81 × 48,688.34
  4. Step 4: Simplify right side
    77,746.47x = 5,224,492,353.81
  5. Step 5: Solve for x
    x = 5,224,492,353.81/77,746.47
  6. Step 6: Final answer
    x = 67,199.10

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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.